09/09/1823 - 04/30/1891
Joseph Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist. Leidy was professor of anatomy at the University of Pennsylvania, and later was a professor of natural history at Swarthmore College.
12/24/1910 - 03/15/2004
William Hayward Pickering ONZ KBE (24 December 1910 — 15 March 2004) was a New Zealand born rocket scientist who headed Pasadena, California's Jet Propulsion Laboratory (JPL) for 22 years, retiring...
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04/27/1791 - 04/02/1872
Samuel Finley Breese Morse (April 27, 1791 – April 2, 1872) was an American contributor to the invention of a single-wire telegraph system based on European telegraphs, co-inventor of the Morse code, and an accomplished painter.
10/21/1921 - 07/22/2008
Victor Almon McKusick (October 21, 1921 – July 22, 2008), internist and medical geneticist, was University Professor of Medical Genetics and Professor of Medicine at the Johns Hopkins Hospital, Baltimore, MD, USA. He was the original author...
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02/11/1839 - 04/28/1903
Josiah Willard Gibbs (February 11, 1839 – April 28, 1903) was an American theoretical physicist, chemist, and mathematician. He devised much of the theoretical foundation for chemical thermodynamics as well as physical chemistry.
09/08/1941 - 10/09/2011
Dennis MacAlistair Ritchie (Username: dmr, September 8, 1941 — October 8/9, 2011) was an American computer scientist notable for developing C and for having influence on other programming languag...
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Steve Irwin (Stephen Robert Irwin)
02/22/1962 - 09/04/2006
Stephen Robert "Steve" Irwin (22 February 1962 – 4 September 2006), nicknamed "The Crocodile Hunter", was an Australian television personality, wildlife expert, and conservationist. Irwin achieved worldwide fame from the...
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Ted Maiman (Theodore Harold Maiman)
07/11/1927 - 05/05/2007
Theodore Harold "Ted" Maiman (July 11, 1927 – May 5, 2007) was an American physicist who made the first LASER (Light Amplification by Stimulated Emission of Radiation).
11/08/1923 - 06/20/2005
Jack St. Clair Kilby (November 8, 1923 – June 20, 2005) was a Nobel Prize laureate in physics in 2000 for his invention of the integrated circuit in 1958 while working at Texas Instruments (TI). He is also the inventor of the handheld calcul...
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10/20/1919 - 07/25/2008
H. Tracy Hall, who died Friday at 88, was an American physical chemist, he was the first to synthesize diamonds in the laboratory, in 1954, fulfilling what scientists sought for at least two centuries.
Charles Moulton (William Moulton Marston)
05/09/1893 - 05/02/1947
Dr. William Moulton Marston (May 9, 1893 – May 2, 1947), also known by the pen name Charles Moulton, was an American psychologist, feminist theorist, inventor, and comic book writer who created the character Wonder Woman.
01/11/1906 - 04/29/2008
Albert Hofmann (January 11, 1906 – April 29, 2008)was a Swiss scientist known best for being the first person to synthesize, ingest and learn of the psychedelic effects of lysergic acid diethylami...
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09/04/1927 - 10/23/2011
John McCarthy (September 4, 1927 – October 23, 2011) was an American computer scientist and cognitive scientist who received the Turing Award in 1971 for his major contributions to the field of...
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11/27/1701 - 04/25/1744
Anders Celsius (27 November 1701 – 25 April 1744) was a Swedish astronomer. He was professor of astronomy at Uppsala University from 1730 to 1744, but traveled from 1732 to 1735 visiting notable observatories in Germany, Italy and France. He...
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